CN219281747U

CN219281747U - Radial grouting reinforcement device

Info

Publication number: CN219281747U
Application number: CN202223156688.1U
Authority: CN
Inventors: 王阳; 孔富勇; 潘良才; 赵建兵; 乐如意; 李鹏; 花荣; 周宇; 邱腾
Original assignee: China Railway Seventh Group Co Ltd; Wuhan Engineering Co Ltd of China Railway Seventh Group Co Ltd
Current assignee: China Railway Seventh Group Co Ltd; Wuhan Engineering Co Ltd of China Railway Seventh Group Co Ltd
Priority date: 2022-11-28
Filing date: 2022-11-28
Publication date: 2023-06-30
Anticipated expiration: 2032-11-28

Abstract

The utility model discloses a radial grouting reinforcement device, which comprises a radial grouting assembly, wherein the radial grouting assembly comprises an inner pipe and an outer pipe, the inner pipe and the outer pipe are respectively provided with a fixing assembly, the fixing assemblies comprise a fixing sleeve and a fixing plate, the inner sides of the inner pipe are respectively provided with a self-sealing assembly, the self-sealing assembly comprises a clamping ball I and a spring I, the inner sides of the outer pipe are respectively provided with a leakage-proof assembly, the leakage-proof assemblies comprise a clamping ball II and a spring II, the radial grouting reinforcement device can automatically seal the inner pipe, automatically seal the outer pipe, avoid cement paste in cement paste pumping equipment from overflowing outwards, avoid raw material waste, automatically separate the inner pipe from the outer pipe after cement paste is fully filled in a stratum of a lower tunnel, further realize the disassembling work with the pumping equipment, simultaneously ensure the sealing firmness of the inner pipe on a grouting hole, improve the efficiency of grouting work, and be suitable for radial grouting reinforcement of tunnel stratum.

Description

Radial grouting reinforcement device

Technical Field

The utility model relates to the technical field of radial grouting reinforcement devices, in particular to a radial grouting reinforcement device.

Background

When the network equipment is installed and fixed, the radial grouting reinforcement device is often needed, the patent application number is CN202121973707.2, the utility model discloses a self-sealing radial grouting device for a narrow space of a tunnel, because the operation space in the tunnel is narrow, the operation of the traditional integral grouting pipe is very inconvenient, the traditional integral grouting pipe is transformed into a detachable grouting pipe, the number of sections is selected according to the design requirement, the splicing of the grouting pipe is completed, thereby realizing the large-range long-distance grouting construction in the narrow space of the tunnel, simultaneously avoiding the problem of easy deformation after installation, being convenient for constructors to operate, greatly reducing the construction time, realizing the instant blocking of high-pressure water in the stratum, preventing the high-pressure water from rushing into the tunnel along the path of a grouting pipe, pressing a one-way steel ball valve into the front end of the front end grouting pipe through grouting pressure when grouting is implemented, the unidirectional steel ball valve of the device can realize instant automatic sealing when water burst and mud burst are encountered in the drilling process of the grouting pipe, is unnecessary to be manually operated, is simple to manufacture, can avoid the safety risk of water burst caused by grouting, ensures higher safety in the radial grouting punching process, and is not beneficial to quick disassembly of the pipeline after grouting work is completed according to the technical scheme disclosed by the device, on one hand, when cement slurry is fully filled in the space required to be reinforced outside a tunnel, larger pressure is generated in the pumping equipment of the cement slurry, a large amount of cement slurry is easily overflowed when the grouting pipeline and the pumping equipment are disassembled, raw materials are wasted, the working efficiency is reduced.

Therefore, how to design a radial grouting reinforcement device is a current problem to be solved.

Disclosure of Invention

Aiming at the defects existing in the prior art, the utility model aims to provide a radial grouting reinforcement device which solves the problems in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a radial slip casting reinforcing apparatus, includes radial slip casting subassembly, radial slip casting subassembly includes inner tube and outer tube, all install fixed subassembly on inner tube and the outer tube, fixed subassembly includes fixed cover and fixed plate, self-sealing subassembly is all installed to the inboard of inner tube, self-sealing subassembly includes card ball one and spring one, leak-proof subassembly is installed to the inboard of outer tube, leak-proof subassembly includes card ball two and spring two, self-fixing subassembly is installed to the one end of fixed cover, self-fixing subassembly includes voussoir and spring three, self-disjointing subassembly is installed to the one end of outer tube, self-disjointing subassembly includes bayonet lock and slider.

Further, the fixed sleeve is welded on the outer side of one end of the inner tube, the other end of the fixed sleeve is sleeved on the outer side of one end of the outer tube, the fixed plate is welded on the outer side of one end of the inner tube, and one end of the outer tube is clamped on the other end of the inner tube.

Further, the first clamping ball is clamped on the inner wall of one end of the outer tube, the second clamping ball is arranged on the inner side of the other end of the inner tube, the diameter of the first clamping ball is larger than the inner diameter of one end of the outer tube, and the diameter of the second clamping ball is larger than the inner diameter of one end of the inner tube.

Further, the inner walls of the inner tube and the outer tube are welded with the supporting blocks, one side of the clamping ball I is connected with the supporting blocks through the spring I, the other side of the clamping ball II is connected with the supporting blocks through the spring II, one side of the clamping ball II is welded with the guide rod, and the other end of the guide rod penetrates through the inner tube and is clamped at the other side of the clamping ball I.

Further, clamping grooves are formed in the outer tube and the fixing sleeve, one end of the wedge block is connected with the inner wall of the clamping groove through a third spring, the other end of the wedge block penetrates through the clamping groove and extends to the outer side of the fixing sleeve, and the wedge block is uniformly distributed on the fixing sleeve.

Further, the outer side of the inner tube and the inner wall of the other end of the fixing sleeve are respectively provided with a pin hole, one end of the bayonet lock is connected with the inner wall of the pin hole on the inner tube through a spring IV, and the other end of the bayonet lock extends to the inner side of the pin hole in the fixing sleeve.

Further, the slider card is in the inboard of the pinhole in fixed cover, the slider card is at the other end of bayonet lock, the connecting tube has been seted up to the inboard of fixed cover, the one end of connecting tube is linked together with the inboard of pinhole.

Further, the other end of the connecting pipe is communicated with one side of the clamping groove, the wedge blocks are clamped at the other end of the connecting pipe, through holes are formed in the outer pipe, and the through holes are uniformly distributed in the outer pipe.

The beneficial effects are that: 1. this radial slip casting reinforcing apparatus owing to be provided with inner tube, outer tube, fixed cover, fixed plate, card ball one, spring one, card ball two, spring two, prop up piece, voussoir, spring three, opening and guide arm, can be after accomplishing the slip casting work, seal the work to the inner tube automatically, avoid the outside overflow of the grout of the stratum injection in tunnel outside down, simultaneously can seal the outer tube voluntarily when carrying out the separation work with inner tube and outer tube, avoid the grout in the grout pumping equipment outwards to spill over, avoid the waste of raw materials.

2. This radial slip casting reinforcing apparatus owing to be provided with inner tube, outer tube, fixed cover, fixed plate, card ball one, spring one, prop up the piece, voussoir, spring three, spring four, bayonet lock, connecting pipe, slider, draw-in groove and opening, can be after the stratum in tunnel is annotated fully cement paste down, separate inner tube and outer tube automatically, and then realize the dismantlement work with pumping equipment, guarantee the sealing firmness of inner tube to the slip casting hole simultaneously, improve the efficiency of slip casting work.

3. The radial grouting reinforcement device is reasonable in design, is efficient and convenient to use, and is suitable for radial grouting reinforcement of tunnel stratum.

Drawings

FIG. 1 is a schematic structural view of a radial grouting reinforcement device according to the present utility model;

FIG. 2 is a cross-sectional view of a radial grouting reinforcement device according to the present utility model;

in the figure: 1. an inner tube; 2. an outer tube; 3. a fixed sleeve; 4. a fixing plate; 5. the first ball is clamped; 6. a first spring; 7. a second clamping ball; 8. a second spring; 9. a support block; 10. wedge blocks; 11. a third spring; 12. a spring IV; 13. a bayonet lock; 14. a connecting pipe; 15. a slide block; 16. a clamping groove; 17. a through port; 18. and a guide rod.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 2, the present utility model provides a technical solution: the radial grouting reinforcement device comprises a radial grouting assembly, the radial grouting assembly comprises an inner pipe 1 and an outer pipe 2, fixing assemblies are arranged on the inner pipe 1 and the outer pipe 2, each fixing assembly comprises a fixing sleeve 3 and a fixing plate 4, self-sealing assemblies are arranged on the inner side of the inner pipe 1, each self-sealing assembly comprises a clamping ball I5 and a spring I6, a leakage-proof assembly is arranged on the inner side of the outer pipe 2, each leakage-proof assembly comprises a clamping ball II 7 and a spring II 8, a self-fixing assembly is arranged at one end of the fixing sleeve 3, each self-fixing assembly comprises a wedge block 10 and a spring III 11, a self-disconnecting assembly is arranged at one end of the outer pipe 2, each self-disconnecting assembly comprises a clamping pin 13 and a sliding block 15, each fixing sleeve 3 is welded on the outer side of one end of the inner pipe 1, the other end of each fixing sleeve 3 is sleeved on the outer side of one end of the outer pipe 2, the fixing plate 4 is welded on the outer side of one end of the inner tube 1, one end of the outer tube 2 is clamped on one end of the inner tube 1, the clamping ball I5 is clamped on the inner wall of one end of the outer tube 2, the clamping ball II 7 is arranged on the inner side of one end of the inner tube 1, the diameter of the clamping ball I5 is larger than the inner diameter of one end of the outer tube 2, the diameter of the clamping ball II 7 is larger than the inner diameter of one end of the inner tube 1, the inner walls of the inner tube 1 and the outer tube 2 are both welded with the support blocks 9, one side of the clamping ball I5 is connected with the support blocks 9 through the first spring 6, the other side of the clamping ball II 7 is connected with the support blocks 9 through the second spring 8, a guide rod 18 is welded on one side of the clamping ball II 7, the other end of the guide rod 18 penetrates the inner tube 1 and is clamped on the other side of the clamping ball I5, after the outer tube 2 is separated from the fixing sleeve 3, the clamping ball I5 seals the inner tube 1 under the elasticity of the first spring 6, the guide rod 18 on the clamping ball II 7 is separated from the opening ball I5, the clamping ball II 7 plugs one end of the outer tube 2 under the elasticity of the spring II 8, cement slurry injected into a stratum outside the lower tunnel is prevented from overflowing outwards, and meanwhile, the outer tube 2 can be automatically sealed when the inner tube 1 and the outer tube 2 are separated, so that cement slurry in the cement slurry pumping equipment is prevented from overflowing outwards, and waste of raw materials is avoided.

In this embodiment, the outer tube 2 and the fixing sleeve 3 are provided with the clamping groove 16, one end of the wedge 10 is connected with the inner wall of the clamping groove 16 through the spring III 11, the other end of the wedge 10 passes through the clamping groove 16 and extends to the outer side of the fixing sleeve 3, the wedge 10 is uniformly distributed on the fixing sleeve 3, the outer side of the inner tube 1 and the inner wall of the other end of the fixing sleeve 3 are provided with the pin holes, one end of the clamping pin 13 is connected with the inner wall of the pin hole on the inner tube 1 through the spring IV 12, the other end of the clamping pin 13 extends to the inner side of the pin hole in the fixing sleeve 3, the sliding block 15 is clamped at the inner side of the pin hole in the fixing sleeve 3, the other end of the sliding block 15 is clamped at the other end of the clamping pin 13, the inner side of the fixing sleeve 3 is provided with the connecting tube 14, one end of the connecting tube 14 is communicated with the inner side of the pin hole, the other end of the connecting tube 14 is communicated with one side of the clamping groove 16, the wedge 10 is clamped at the other end of the connecting pipe 14, the outer pipe 2 is provided with through holes 17, the through holes 17 are uniformly distributed on the outer pipe 2, during operation, the outer pipe 2 is fixedly connected with cement slurry pumping equipment through the fixing plate 4, the inner pipe 1 is inserted into the inner side with a grouting hole through the fixing sleeve 3, the grouting hole is automatically fixed by utilizing the elastic force of the spring three 11 to the wedge 10, the clamping ball 5 is pushed left by cement slurry through pumping pressure, the inner side of stratum outside a tunnel is injected through the right end of the inner pipe 1 and the through holes 17, after the cement slurry is filled, the pressure in the inner pipe 1 is increased, the wedge 10 is pushed towards the inner wall of the grouting hole, the fixing sleeve 3 and the grouting hole are completely clamped, meanwhile, the cement slurry enters the inner side of the connecting pipe 14 through one side of the clamping groove 16, the sliding block 15 is pushed towards the inner wall of the fixing sleeve 3 under the pressure of the cement slurry, and then promote bayonet lock 13 from the inboard of fixed cover 3 to the inboard of outer tube 2, outer tube 2 and fixed cover 3 separation, when carrying out the slip casting work in next slip casting hole, through bayonet lock 13 on outer tube 2 with the inner wall connection of fixed cover 3 on another inner tube 1 can, can be after the stratum in lower tunnel is full of grout, automatically separate inner tube 1 and outer tube 2, and then realize the dismantlement work with pumping equipment, guarantee inner tube 1 simultaneously to the sealing firmness in slip casting hole, improve the efficiency of slip casting work.

When the radial grouting reinforcement device works, the outer pipe 2 is fixedly connected with a cement slurry pumping device through the fixing plate 4, the inner pipe 1 is inserted into the inner side with a grouting hole through the fixing sleeve 3, the grouting hole is automatically fixed by utilizing the elasticity of the spring three 11 to the wedge block 10, the cement slurry pushes the clamping ball one 5 leftwards through pumping pressure, the clamping ball one 5 is further injected into the inner side of a stratum outside a tunnel through the right end of the inner pipe 1 and the through hole 17, after the cement slurry is filled, the pressure in the inner pipe 1 is increased, the wedge block 10 is further pushed to the inner wall of the grouting hole, the fixing sleeve 3 and the grouting hole are completely clamped, meanwhile, the cement slurry enters the inner side of the connecting pipe 14 through one side of the clamping groove 16, the sliding block 15 is pushed to the inner wall of the fixing sleeve 3 under the pressure of the cement slurry, and the clamping pin 13 is pushed to the inner side of the outer pipe 2 from the inner side of the fixing sleeve 3, the outer tube 2 is separated from the fixed sleeve 3, when the grouting of the next grouting hole is carried out, the inner wall of the fixed sleeve 3 on the other inner tube 1 is connected with the bayonet 13 on the outer tube 2, the inner tube 1 and the outer tube 2 can be automatically separated after cement paste is fully filled in the stratum of the lower tunnel, the disassembly work of pumping equipment is further realized, the sealing firmness of the inner tube 1 to the grouting hole is ensured, the efficiency of the grouting work is improved, after the outer tube 2 is separated from the fixed sleeve 3, the inner tube 1 is sealed by the first clamping ball 5 under the elasticity of the first spring 6, the guide rod 18 on the second clamping ball 7 is separated from the first opening ball 5, the second clamping ball 7 seals one end of the outer tube 2 under the elasticity of the second spring 8, the cement paste injected into the stratum outside the lower tunnel is prevented from overflowing outwards, and simultaneously, the outer tube 2 can be automatically sealed when the inner tube 1 and the outer tube 2 are separated, the cement paste in the cement paste pumping equipment is prevented from overflowing outwards, and the waste of raw materials is avoided.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims

1. Radial slip casting reinforcing apparatus, including radial slip casting subassembly, radial slip casting subassembly includes inner tube (1) and outer tube (2), all install fixed subassembly on inner tube (1) and outer tube (2), fixed subassembly includes fixed cover (3) and fixed plate (4), its characterized in that: the inner side of inner tube (1) is all installed from sealing the subassembly, from sealing the subassembly and including card ball one (5) and spring one (6), leak protection subassembly is installed to the inboard of outer tube (2), leak protection subassembly includes card ball two (7) and spring two (8), from fixed subassembly is installed to the one end of fixed cover (3), from fixed subassembly includes voussoir (10) and spring three (11), from the disjointing subassembly is installed to the one end of outer tube (2), from disjoining subassembly includes bayonet lock (13) and slider (15).

2. A radial grouting reinforcement device according to claim 1, wherein: the fixed sleeve (3) is welded on the outer side of one end of the inner tube (1), the other end of the fixed sleeve (3) is sleeved on the outer side of one end of the outer tube (2), the fixed plate (4) is welded on the outer side of one end of the inner tube (1), and one end of the outer tube (2) is clamped on one end of the inner tube (1).

3. A radial grouting reinforcement device as claimed in claim 2, wherein: the first clamping ball (5) is clamped on the inner wall of one end of the outer tube (2), the second clamping ball (7) is arranged on the inner side of one end of the inner tube (1), the diameter of the first clamping ball (5) is larger than the inner diameter of one end of the outer tube (2), and the diameter of the second clamping ball (7) is larger than the inner diameter of one end of the inner tube (1).

4. A radial grouting reinforcement device according to claim 3, wherein: the inner wall of inner tube (1) and outer tube (2) is gone up all to weld and is had a piece (9), one side of card ball one (5) is connected with a piece (9) through spring one (6), the opposite side of card ball two (7) is connected with a piece (9) through spring two (8), one side welding of card ball two (7) has guide arm (18), the other end of guide arm (18) passes inner tube (1) and blocks the opposite side at card ball one (5).

5. A radial grouting reinforcement device according to claim 4, wherein: clamping grooves (16) are formed in the outer tube (2) and the fixing sleeve (3), one end of the wedge block (10) is connected with the inner wall of the clamping groove (16) through a spring III (11), the other end of the wedge block (10) penetrates through the clamping groove (16) and extends to the outer side of the fixing sleeve (3), and the wedge block (10) is uniformly distributed on the fixing sleeve (3).

6. A radial grouting reinforcement device according to claim 5, wherein: the outer side of the inner tube (1) and the inner wall of the other end of the fixed sleeve (3) are provided with pin holes, one end of the bayonet lock (13) is connected with the inner wall of the pin hole on the inner tube (1) through a spring IV (12), and the other end of the bayonet lock (13) extends to the inner side of the pin hole in the fixed sleeve (3).

7. The radial grouting reinforcement device of claim 6, wherein: the sliding block (15) is clamped at the inner side of the pin hole in the fixed sleeve (3), the sliding block (15) is clamped at the other end of the bayonet lock (13), the connecting pipe (14) is arranged at the inner side of the fixed sleeve (3), and one end of the connecting pipe (14) is communicated with the inner side of the pin hole.

8. A radial grouting reinforcement device as claimed in claim 7, wherein: the other end of the connecting pipe (14) is communicated with one side of the clamping groove (16), the wedge block (10) is clamped at the other end of the connecting pipe (14), the outer pipe (2) is provided with through holes (17), and the through holes (17) are uniformly distributed on the outer pipe (2).